| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.pulsar.common.policies.data; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Statistics for subscription to non-persistent topics. |
| */ |
| public class NonPersistentSubscriptionStats extends SubscriptionStats { |
| |
| /** |
| * for non-persistent topic: broker drops msg for subscription if none of the consumer available for message |
| * delivery. |
| **/ |
| public double msgDropRate; |
| |
| public void reset() { |
| super.reset(); |
| msgDropRate = 0; |
| } |
| |
| // if the stats are added for the 1st time, we will need to make a copy of these stats and add it to the current |
| // stats |
| public NonPersistentSubscriptionStats add(NonPersistentSubscriptionStats stats) { |
| checkNotNull(stats); |
| super.add(stats); |
| this.msgDropRate += stats.msgDropRate; |
| return this; |
| } |
| } |